411 REFERENCE · Wikibooks
LPI Linux Certification/Notify users on system-related issues
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Detailed Objectives (206.3)
(LPIC-2 Version 4.5)
Weight: 1
Description: Candidates should be able to notify the users about current issues related to the system.
Key Knowledge Areas:
Automate communication with users through logon messages
Inform active users of system maintenance
Terms and Utilities:
/etc/issue
/etc/issue.net
/etc/motd
wall
/sbin/shutdown
systemctl